#6D313F
Closest named color: Purple Brown (#673A3F). oklch(39.8% 0.086 7.1), rgb(109, 49, 63).
Aa
White text reads best on this color (9.71:1).
About this color
#6D313F is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 9.71:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #6D313F |
| RGB | rgb(109, 49, 63) |
| HSL | hsl(346, 38%, 31%) |
| OKLCH | oklch(39.8% 0.086 7.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6D313F | 9.71:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #6D313F | 2.16:1 | Fails | Lc 11.8 | Not readable |
| #6D313F text on white | 9.71:1 | AAA | Lc 92.1 | Preferred for body text |
| #6D313F text on black | 2.16:1 | Fails | Lc -10.3 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E7
oklch(93.6% 0.019 9.3)
-
Step 200
200
#EFD0D5
oklch(88.5% 0.035 6.8)
-
Step 300
300
#E6B0B9
oklch(80.9% 0.064 7.5)
-
Step 400
400
#D88595
oklch(70.8% 0.103 7.6)
-
Step 500
500
#CB647B
oklch(63.2% 0.132 7.5)
-
Step 600
600
#B64864
oklch(55.6% 0.144 7.3)
-
Step 700
700
#9C3953
oklch(49.1% 0.133 7.3)
-
Step 800
800
#7F3044
oklch(42.7% 0.111 7.4)
-
Step 900
900 (this color)
#6D313F
oklch(39.8% 0.086 7.1)
-
Step 950
950
#3C1A22
oklch(27% 0.054 6.5)
#6D313F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3C3D3F | 0.095 |
| Deuteranopia (no green cones) | #4B493E | 0.089 |
| Tritanopia (no blue cones) | #762B36 | 0.023 |
| Achromatopsia (no color) | #444444 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D313F
#6D313F
oklch(39.8% 0.086 7.1)
- #00534E
#00534E
oklch(39.8% 0.069 187.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.049
- Chestnut #742802 ΔE 0.067
- Bordeaux #7B002C ΔE 0.068
- Wine Red #7B0323 ΔE 0.068
- Wine #80013F ΔE 0.071
- Merlot #730039 ΔE 0.072
- Red Purple #820747 ΔE 0.073
Use #6D313F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.